import java.util.Scanner;
public class switch1 {
    public static void main(String[] args) {
        Scanner sc =new Scanner(System.in);
        int week= sc.nextInt();
        switch(week){
            case 1:
            System.out.println("今天是星期一");
            break;
//            直接跳出当前代码块//
            case 2:
                System.out.println("今天是星期二");
                break;
            case 3:
                System.out.println("今天是星期三");
                break;
            case 4:
                System.out.println("今天是星期四");
                break;
            case 5:
                System.out.println("今天是星期五");
                break;
            case 6:
                System.out.println("今天是星期六");
                break;
            case 7:
                System.out.println("今天是星期天");
                break;
            default:
                System.out.println("数字不正确");
                break;
        }

    }

}
